package chapter04.example18_23;
class Outer1{
    int m = 0;
    void  test1(){
        System.out.println("外部类成员方法");
    }
    void test2(){
        class Inner{
            int n = 1;
            void show(){
                System.out.println("外部成员变量m=");
            }
        }
    }
}
public class Example21 {
}
